2123353451 has 8 divisors (see below), whose sum is σ = 2169238080. Its totient is φ = 2077498368.

The previous prime is 2123353439. The next prime is 2123353457. The reversal of 2123353451 is 1543533212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123353451 - 2¹⁴ = 2123337067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123353457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199595 + ... + 209963.

It is an arithmetic number, because the mean of its divisors is an integer number (271154760).

Almost surely, 2^2123353451 is an apocalyptic number.

2123353451 is a deficient number, since it is larger than the sum of its proper divisors (45884629).

2123353451 is a wasteful number, since it uses less digits than its factorization.

2123353451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14773.

The product of its digits is 10800, while the sum is 29.

The square root of 2123353451 is about 46079.8594941434. The cubic root of 2123353451 is about 1285.3086513995.

Adding to 2123353451 its reverse (1543533212), we get a palindrome (3666886663).

The spelling of 2123353451 in words is "two billion, one hundred twenty-three million, three hundred fifty-three thousand, four hundred fifty-one".